Versions of Washington Code 28A.300.640 - School-based threat assessment program -- Model policy and procedure on LawServer 2023 Washington Code 28A.300.640 – School-based threat assessment program — Model policy and procedure 2022 Washington Code 28A.300.640 – School-based threat assessment program–Model policy and procedure 2020 Washington Code 28A.300.640 – School-based threat assessment program — Model policy and procedure 2019 Washington Code 28A.300.640 – School-based threat assessment program — Model policy and procedure
